2008-01-28T01:16:14ZFluxBBhttp://www.mathisfunforum.com/viewtopic.php?id=9205If you mix V litres of the first solution and W litres of the second solution, the concentration of your resulting solution will be
You want
and
So just solve the two simultaneous equations in V and W for your answer.
]]>http://www.mathisfunforum.com/profile.php?id=67772008-01-28T01:16:14Zhttp://www.mathisfunforum.com/viewtopic.php?pid=87228#p87228How do you set this one up?
If you have an unknown amount of 30% solution and an unknown amount of 70 % solution, how much of each doyou need to make 12L of 45 % solution?